Base | Representation |
---|---|
bin | 1110011110110… |
… | …00101110110001 |
3 | 22110120111221220 |
4 | 13033120232301 |
5 | 222044131334 |
6 | 20015335253 |
7 | 3003340341 |
oct | 717305661 |
9 | 273514856 |
10 | 121473969 |
11 | 62629211 |
12 | 34821529 |
13 | 1c221ab6 |
14 | 121c0d21 |
15 | a9e7449 |
hex | 73d8bb1 |
121473969 has 8 divisors (see below), whose sum is σ = 162251232. Its totient is φ = 80839680.
The previous prime is 121473967. The next prime is 121474043. The reversal of 121473969 is 969374121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121473969 - 21 = 121473967 is a prime.
It is a super-2 number, since 2×1214739692 = 29511850289225922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 121473969.
It is not an unprimeable number, because it can be changed into a prime (121473967) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33744 + ... + 37169.
It is an arithmetic number, because the mean of its divisors is an integer number (20281404).
Almost surely, 2121473969 is an apocalyptic number.
It is an amenable number.
121473969 is a deficient number, since it is larger than the sum of its proper divisors (40777263).
121473969 is an equidigital number, since it uses as much as digits as its factorization.
121473969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71487.
The product of its digits is 81648, while the sum is 42.
The square root of 121473969 is about 11021.5229891336. The cubic root of 121473969 is about 495.2537134217.
The spelling of 121473969 in words is "one hundred twenty-one million, four hundred seventy-three thousand, nine hundred sixty-nine".
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